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Mathematics (09) Practice Test - MTELs
Mathematics (09) Practice Test - MTELs
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Mathematics (09) Practice Test75. Use the in<strong>for</strong>mation below to answer the question that follows.Linear Regression <strong>for</strong>Town Ay = ax + ba = 0.4694308286b = 7.738425386r = 0.9839264918Linear Regression <strong>for</strong>Town By = ax + ba = 3.8574694345b = 2.396738264r = 0.0838567426Students use a statistics program to study the populations oftwo towns. They enter twenty years of population data. Thepopulation in thousands is represented by y. The year isrepresented by x. The program generates the above linearregression results. Which of the following conclusions can bereached from these results?A. The model <strong>for</strong> Town A is a better predictor of populationthan the model <strong>for</strong> Town B.B. The population was initially smaller in Town B than inTown A.C. The model <strong>for</strong> Town A predicted a faster growth ratethan the model <strong>for</strong> Town B.D. The population growth rate was accelerating in Town Band decelerating in Town A.48
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